<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="分类名称" prop="categoryName">
        <el-input
          v-model="queryParams.categoryName"
          placeholder="请输入分类名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['orderEat:orderEat:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['orderEat:orderEat:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['orderEat:orderEat:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['orderEat:orderEat:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="orderEatList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="序号" align="center">
        <template slot-scope="scope">
          <span>{{ scope.$index + 1 }}</span>
        </template>
      </el-table-column>
      <el-table-column label="分类名称" align="center" prop="categoryName"/>
      <el-table-column label="分类图片" align="center" prop="categoryUrl">
        <template slot-scope="scope">
          <el-image :src=$getPicture(scope.row.categoryUrl) width="100%" alt=""></el-image>
        </template>
      </el-table-column>
      <el-table-column label="分类简介" align="center" prop="categoryIntroduce"/>
      <el-table-column label="分类排序" align="center" prop="sort"/>
      <el-table-column label="创建者" align="center" prop="createUser"/>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新者" align="center" prop="updateBy"/>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="备注" align="center" prop="remark"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['orderEat:orderEat:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['orderEat:orderEat:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品分类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="form.categoryName" placeholder="请输入分类名称"/>
        </el-form-item>
        <el-form-item v-if="isPic" label="分类图片" >
          <el-image :src=$getPicture(form.categoryUrl) width="100%" alt=""></el-image>
        </el-form-item>
        <el-form-item label="修改图片" prop="categoryUrl">
          <el-upload
            name="file"
            ref='upload'
            action="http://localhost:8080/orderEat/orderEat/upload"
            list-type="picture-card"
            :headers="{ Authorization:  'Bearer ' + getToken() }"
            :class="listLengthTag === 1?'hide_box':''"
            :on-success="handleSuccess"
            :on-preview="handlePictureCardPreview"
            :on-remove="handleRemove"
          >
            <i class="el-icon-plus"></i>
          </el-upload>
          <el-dialog :visible.sync="dialogVisible">
            <img width="100%" :src="dialogImageUrl" alt="">
          </el-dialog>
        </el-form-item>
        <el-form-item label="分类简介" prop="categoryIntroduce">
          <el-input v-model="form.categoryIntroduce" placeholder="请输入分类简介"/>
        </el-form-item>
        <el-form-item label="分类排序" prop="sort">
          <el-input v-model="form.sort" placeholder="请输入分类排序序号"/>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listOrderEat,
  getOrderEat,
  delOrderEat,
  addOrderEat,
  updateOrderEat,
  delPicture
} from '@/api/orderEat/orderEat'
import { getToken } from '@/utils/auth'

export default {
  name: 'OrderEat',
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品分类表格数据
      orderEatList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 用来判断是否展示上传框
      listLengthTag: 0,
      //图片上传参数
      dialogImageUrl: '',
      dialogVisible: false,
      //判断是否显示原图片
      isPic:false,
      //修改删除图片的路径
      uul:'',
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        categoryName: null,
        categoryUrl: null,
        categoryIntroduce: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {}
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getToken,

    /** 查询商品分类列表 */
    getList() {
      this.loading = true
      listOrderEat(this.queryParams).then(response => {
        this.orderEatList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    handleSuccess(response, file, fileList) {
      this.form.categoryUrl = file.response.msg
      this.listLengthTag = 1
    },
    handleRemove(file) {
      let data ={}
      if (typeof file === 'string'){
        data.picureUrl = file;
      }else {
        data.picureUrl = file.response.msg;
      }
      delPicture(data).then(response => {
        this.listLengthTag = 0
      })
    },
    handlePictureCardPreview(file) {
      this.dialogImageUrl = file.url
      this.dialogVisible = true
    },

    // 取消按钮
    cancel() {
      this.open = false
      if (this.form.categoryUrl!=null&&this.uul==null||
        this.uul!=null&&this.form.categoryUrl!=this.uul){
        this.handleRemove(this.form.categoryUrl)
        this.$refs.upload.clearFiles()
        this.listLengthTag = 0
      }
      this.listLengthTag = 0
      this.isPic = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        categoryId: null,
        categoryName: null,
        categoryUrl: null,
        categoryIntroduce: null,
        sort: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.categoryId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.isPic = false;
      this.title = '添加商品分类'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const categoryId = row.categoryId || this.ids
      getOrderEat(categoryId).then(response => {
        this.form = response.data
        this.uul = response.data.categoryUrl
        if (this.form.categoryUrl!=null){
          this.isPic = true;
        }
        this.open = true
        this.title = '修改商品分类'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.categoryId != null) {
            if (this.uul!=null && this.form.categoryUrl!=this.uul){
              this.handleRemove(this.uul);
            }
            updateOrderEat(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.isPic = false
              this.$refs.upload.clearFiles()
              this.listLengthTag = 0
              this.getList()
            })
          } else {
            addOrderEat(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.$refs.upload.clearFiles()
              this.listLengthTag = 0
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const categoryIds = row.categoryId || this.ids
      this.$modal.confirm('是否确认删除商品分类编号为"' + categoryIds + '"的数据项？').then(function() {
        return delOrderEat(categoryIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => {
      })
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('orderEat/orderEat/export', {
        ...this.queryParams
      }, `orderEat_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>

<style lang="scss" scoped>
.hide_box {
  ::v-deep.el-upload--picture-card {
    display: none;
  }
}
</style>
